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Flights from Koh Samui to Udon Thani

Find flight deals from Koh Samui to Udon Thani for the next 3 months. Book one way flights from CLP 91,910 or round trip flights from CLP 204,510.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Koh Samui to Udon Thani

The distance between Koh Samui and Udon Thani is about 919.76 km. The most popular month to Udon Thani is July. The off-season for travel is November.

Cheapest one-way flight priceCLP 91,910
Cheapest return ticket priceCLP 204,510
Off-season for travelNovember
Peak season for travelJuly
Flight distance919.76 km

When is the cheapest time to fly from Koh Samui to Udon Thani?

The cheapest time for Koh Samui to Udon Thani flights: Nov 27 to Dec 3 — one way flight prices from CLP 91,910.

Cheapest flights
From price
Search
  • 2329

  • Nov

    305
  • 612
  • 1319
  • 2026

  • Dec

    273
  • 410
  • 1117
  • 1824
  • 2531

  • Jan

    17
  • 814
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When is the best time to book flights from Koh Samui to Udon Thani?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Koh Samui to Udon Thani is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • The cheapest months to fly from Koh Samui to Udon Thani is November, when demand for travel is lower.
  • After crunching the numbers on our October flight calendar, it's currently cheapest to fly from Koh Samui to Udon Thani on October 24, 2025 with Bangkok Airways, with prices starting at CLP 241,909.
  • The time difference between Udon Thani and Koh Samui is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

How to find a cheap flight from Koh Samui to Udon Thani

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Koh Samui to Udon Thani. Book your flights at the right time and save more.
1
Being flexible with your dates to get the cheapest Koh Samui to Udon Thani ticket.
Tap "Date" on flight search bar to scan through the calender for Koh Samui to Udon Thani airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Mon, Dec 1 at CLP 91910 for one-way flights.
2
Compare cheap Koh Samui to Udon Thani flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from Koh Samui to Udon Thani. The cheapest airline operating is Bangkok Airways.
3
Set up a Price Alert
By setting up a Price Alert for your Koh Samui to Udon Thani route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap Koh Samui to Udon Thani flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from Koh Samui to Udon Thani to get exclusive deals for you.

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